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Robin is Fossilised.co.uk

My fossils, pottery and other olden finds


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Mystery find: could these be dinosaur eggs?

Here are very weird round objects I found with my parents at the bottom of the cliff at Saltburn-by-the-Sea. A lot of them were loose and we collected them and brought home. On a few of these objects you can see some sort of cracked and peeled layer if you enlarge the pictures below. They are about 7-8 cm in diameter.

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When we walked a bit further along the cliff we've noticed in one place a lot of these objects embedded in the rocks at the base of the cliff. As you can see from the photos below all of them are round, and some of them have been washed out leaving round holes. I tried to chisel one of the objects out but it was unsucessful. The objects look like they are slowly washing out of the rocks. They are sitting in the rocks in sort of clusters, and there are about 60 of them. We walked further along the cliffs, but we couldn’t find any more. Also here are the photos of all the objects I have now at my house.

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Mystery solved! Not dinosaur eggs - but ironstone nodules.

I've just received a reply from the Yorkshire Geological Society telling us these are ironstone nodules, and they are very common on the Yorkshire coast. Ironstone nodules have been created in Jurassic period. Some of them might contain fossils hidden in the middle. So, I am gonna hammer a few nodules in half to see if I can find something inside.